Search Results for author: Urchade Zaratiana

Found 9 papers, 7 papers with code

GraphER: A Structure-aware Text-to-Graph Model for Entity and Relation Extraction

1 code implementation18 Apr 2024 Urchade Zaratiana, Nadi Tomeh, Niama El Khbir, Pierre Holat, Thierry Charnois

Information extraction (IE) is an important task in Natural Language Processing (NLP), involving the extraction of named entities and their relationships from unstructured text.

Graph structure learning Joint Entity and Relation Extraction +1

An Autoregressive Text-to-Graph Framework for Joint Entity and Relation Extraction

1 code implementation2 Jan 2024 Urchade Zaratiana, Nadi Tomeh, Pierre Holat, Thierry Charnois

In this paper, we propose a novel method for joint entity and relation extraction from unstructured text by framing it as a conditional sequence generation problem.

Joint Entity and Relation Extraction Relation

Filtered Semi-Markov CRF

1 code implementation29 Nov 2023 Urchade Zaratiana, Nadi Tomeh, Niama El Khbir, Pierre Holat, Thierry Charnois

Semi-Markov CRF has been proposed as an alternative to the traditional Linear Chain CRF for text segmentation tasks such as Named Entity Recognition (NER).

named-entity-recognition Named Entity Recognition +3

Hierarchical Transformer Model for Scientific Named Entity Recognition

1 code implementation28 Mar 2022 Urchade Zaratiana, Pierre Holat, Nadi Tomeh, Thierry Charnois

The task of Named Entity Recognition (NER) is an important component of many natural language processing systems, such as relation extraction and knowledge graph construction.

Data Augmentation graph construction +4

Contrastive String Representation Learning using Synthetic Data

no code implementations8 Oct 2021 Urchade Zaratiana

We demonstrate the effectiveness of our approach by evaluating the learned representation on the task of string similarity matching.

Contrastive Learning Lexical Normalization +1

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